Samsung Galaxy S20 vs Xiaomi 15 Ultra

The Samsung Galaxy S20 (2020) runs on the Samsung Exynos 990, while the Xiaomi 15 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $999 and $999. By overall MobileRank rating, the Xiaomi 15 Ultra leads — 85/100 vs 47/100 (a 38-point difference). Key differences: the Xiaomi 15 Ultra has the bigger battery (6000 mAh vs 4000); the main camera is 12 MP vs 50 MP; the Xiaomi 15 Ultra is faster in AnTuTu (3,030,376 vs 888,046); the Samsung Galaxy S20 is noticeably lighter (163g vs 225g).

The Xiaomi 15 Ultra significantly outperforms the Samsung Galaxy S20 by 38 points (85/100 vs 47/100).
Profile comparison
Category scores
Samsung Galaxy S20
Performance 57
Display 85
Camera 11
Battery 32
Portability 96
Value for money 6
Xiaomi 15 Ultra
Performance 92
Display 90
Camera 87
Battery 80
Portability 29
Value for money 82
What makes Samsung Galaxy S20 better?
  • Lighter: 163g vs 225g

  • Better portability (96/100 vs 29/100)
What makes Xiaomi 15 Ultra better?
  • Higher AnTuTu: 3030376 vs 888046
  • Better Geekbench Single: 3050 vs 1222
  • Better Geekbench Multi: 10200 vs 3060
  • Bigger battery: 6000 vs 4000 mAh
  • Better main camera: 50MP vs 12MP

  • Higher performance (92/100 vs 57/100)
  • Better camera (87/100 vs 11/100)
  • Longer battery life (80/100 vs 32/100)
  • Better display (90/100 vs 85/100)
Comparison verdict

Comparing the Samsung Galaxy S20 vs the Xiaomi 15 Ultra, the Xiaomi 15 Ultra scores 38 points higher (85/100 vs 47/100). In the "performance" category, the Xiaomi 15 Ultra leads (92/100 vs 57/100). In the "camera" category, the Xiaomi 15 Ultra leads (87/100 vs 11/100). In the "battery" category, the Xiaomi 15 Ultra leads (80/100 vs 32/100). Value score: Samsung Galaxy S20 — 6/100, Xiaomi 15 Ultra — 82/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the Xiaomi 15 Ultra significantly outperforms the Samsung Galaxy S20 (92/100 vs 57/100). In the "display" category, the Xiaomi 15 Ultra is a bit better (90/100 vs 85/100). In the "camera" category, the Xiaomi 15 Ultra significantly outperforms the Samsung Galaxy S20 (87/100 vs 11/100). In the "battery" category, the Xiaomi 15 Ultra significantly outperforms the Samsung Galaxy S20 (80/100 vs 32/100). In the "portability" category, the Samsung Galaxy S20 significantly outperforms the Xiaomi 15 Ultra (96/100 vs 29/100).

Samsung Galaxy S20: The Samsung Galaxy S20 is a better fit for everyday use.
Xiaomi 15 Ultra: The Xiaomi 15 Ultra is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.
Specs comparison
Specification Samsung Galaxy S20 Xiaomi 15 Ultra
Processor Samsung Exynos 990 Qualcomm Snapdragon 8 Elite
AnTuTu 888046 3030376
Geekbench Single 1222 3050
Geekbench Multi 3060 10200
Display 6.2" AMOLED 6.7" LTPO AMOLED
Resolution 3200x1440
Refresh rate 120 Hz 120 Hz
Battery 4000 mAh 6000 mAh
Charging 90W
Wireless charging 50W
DXOMark (camera) 159
Main camera 12 MP 50 MP
Ultrawide 0 MP 50 MP
Telephoto 0 MP 50 MP
Front camera 10 MP 32 MP
RAM 8GB / 12GB 16GB
Storage 128GB 256GB / 512GB / 1TB
OS Android 15 / HyperOS 2
Brightness (peak) 3200 nits
NFC yes
Protection IP68
Dimensions 161.3×75.3×9.4 mm
Weight 163 g 225 g
Launch price $999 $999
Camera comparison
Samsung Galaxy S20
  • Main: 12MP
  • Front: 10MP
11
camera
Xiaomi 15 Ultra
  • Main: 50MP f/f/1.63
  • Ultrawide: 50MP
  • Telephoto: 50MP
  • Front: 32MP
87
camera
Display comparison
Samsung Galaxy S20
  • 6.2" AMOLED
  • Refresh rate: 120 Hz
85
display
Xiaomi 15 Ultra
  • 6.7" LTPO AMOLED
  • Resolution: 3200x1440
  • Refresh rate: 120 Hz
90
display
Battery and charging
Samsung Galaxy S20
  • 4000 mAh
  • Wireless charging: no data
32
battery
Xiaomi 15 Ultra
  • 6000 mAh
  • NanoReview test: web browsing 12:19 hrs, total 30:03 hrs
  • Wired: 90W
  • Wireless: 50W
80
battery
Overall performance score

We compared Samsung Galaxy S20 and Xiaomi 15 Ultra, covering their specs and all relevant benchmarks.

Samsung Galaxy S20 Samsung Exynos 990
47/100
888046 AnTuTu
Xiaomi 15 Ultra Qualcomm Snapdragon 8 Elite
85/100 +70.7%
3030376 AnTuTu

Xiaomi 15 Ultra leads Samsung Galaxy S20 by 70.7% in our overall performance rating.

Benchmarks
Launch prices and where to check today's
Samsung Galaxy S20
$999
Xiaomi 15 Ultra
$999

Launch price difference: $0. Same launch price.

Detailed category analysis
performance

In the "performance" category, the Xiaomi 15 Ultra significantly outperforms the Samsung Galaxy S20 (92/100 vs 57/100).

display

In the "display" category, the Xiaomi 15 Ultra is a bit better (90/100 vs 85/100).

camera

In the "camera" category, the Xiaomi 15 Ultra significantly outperforms the Samsung Galaxy S20 (87/100 vs 11/100).

battery

In the "battery" category, the Xiaomi 15 Ultra significantly outperforms the Samsung Galaxy S20 (80/100 vs 32/100).

portability

In the "portability" category, the Samsung Galaxy S20 significantly outperforms the Xiaomi 15 Ultra (96/100 vs 29/100).

Frequently asked questions
Which is better: the Samsung Galaxy S20 or the Xiaomi 15 Ultra?

The Xiaomi 15 Ultra significantly outperforms the Samsung Galaxy S20 by 38 points (85/100 vs 47/100).

What is the rating of the Samsung Galaxy S20 and the Xiaomi 15 Ultra?

The Samsung Galaxy S20 has a MobileRank rating of 47/100, the Xiaomi 15 Ultra — 85/100.

Which has the better camera: the Samsung Galaxy S20 or the Xiaomi 15 Ultra?

The Xiaomi 15 Ultra leads on camera score (87/100 vs 11/100).

Which is more powerful: the Samsung Galaxy S20 or the Xiaomi 15 Ultra?

The Xiaomi 15 Ultra leads on performance (92/100 vs 57/100).

Should you choose the Samsung Galaxy S20 over the Xiaomi 15 Ultra?

The Samsung Galaxy S20 is a better fit for everyday use. The Xiaomi 15 Ultra is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.